Chucking Meaning in Cricket: Illegal Bowling Actions Explained

In cricket, chucking means throwing the ball through an illegal bowling action. MCC Law 21 says the elbow must not straighten after the bowling arm reaches shoulder level and before release. ICC international regulations use a 15-degree elbow-extension threshold for testing suspected actions. A bent arm or unusual action alone does not prove chucking.

For related technique, see types of bowling in cricket, how to increase bowling speed and cricket umpire rules.

What does chucking mean?

Chucking means throwing the cricket ball instead of delivering it with a legal bowling action.

The word is common in conversation but can be unfair when used as an accusation. The legal question is what the elbow does during the delivery action, measured under the relevant Law or regulation. A bowler can have a distinctive action, a bent arm or natural hyperextension without breaking the rule.

The correct editorial language is “reported for a suspected illegal action” until an authorised process reaches a conclusion.

What does MCC Law 21 say?

MCC Law 21 says that once the bowling arm reaches shoulder level, the elbow must not straighten partially or completely before the ball leaves the hand.

The Law also covers underarm delivery and the umpire’s no-ball response to a ball that is thrown or otherwise illegally delivered. It is the general Law foundation, while international competitions can apply additional regulations.

Law wording should not be simplified into “the arm must be straight.” That is not the test, and it mislabels legal actions.

What is the ICC 15-degree rule?

The ICC defines an Illegal Bowling Action as elbow extension of more than 15 degrees between the arm reaching horizontal and ball release, with elbow hyperextension discounted in the measurement.

The threshold comes from ICC regulations for international cricket and is assessed with biomechanical testing. It is not a license to judge a player’s action from one slow-motion television frame. The process uses an accredited testing centre and expert supervision.

The 15-degree rule and MCC Law 21 work together in ICC cricket, but a local competition may publish its own process or simply apply the Laws.

How is a suspected action reported?

International match officials use observation and experience to decide whether a player’s normal action may be illegal, then submit a report for the formal process.

The report is not a verdict. The bowler is assessed under ICC procedures, and the test determines whether the action exceeds the permitted threshold. If it does, the bowler is suspended from bowling until the action is modified and a later test is passed.

This staged process protects both fairness and the player. It separates an umpire’s on-field call from a technical assessment of a repeated bowling action.

Can one thrown delivery be called a no-ball?

Yes. An umpire can call a delivery a no-ball when it is thrown or otherwise fails the arm requirements in the delivery.

That immediate call is different from reporting a suspected normal action for testing. A single unusual delivery, a slipping grip or an action that suddenly changes can be handled on the field; a recurring concern about the player’s action follows the reporting and laboratory process.

The score and free-hit consequences then depend on the match’s playing conditions.

What does not prove chucking?

A bent elbow, wrist rotation, an unusual release, a fast arm or a visual impression does not by itself prove an illegal action.

Do not diagnose a player from a clip, compare two bowlers’ bodies or repeat an allegation without an authorised source. Hyperextension can be discounted under ICC measurement, and legal bowling actions can look different across pace, finger spin and wrist spin.

A responsible article describes the rule and process, names the source and avoids turning a technical question into a personal accusation.

How can a bowler stay within the rules?

Work with a qualified coach and use video or testing to confirm the action, especially after an injury or technical change.

1. Learn the applicable Law and competition regulation.
2. Film the action from useful angles rather than relying on a phone clip alone.
3. Build repeatable run-up, arm path and release under coaching.
4. Seek an authorised assessment if officials raise a concern.
5. Do not try to “hide” a delivery; modify the action lawfully and retest.

Frequently asked questions

What is chucking?

Throwing the ball through an illegal bowling action.

Is a bent elbow illegal?

No. The action’s extension during delivery is the relevant test.

What is 15 degrees?

The ICC international threshold for elbow extension in its illegal-action assessment.

Who reports a suspect action?

International match officials can report it for formal testing.

Is one bad ball a career verdict?

No. A one-off delivery and a suspected normal action follow different procedures.

How should writers describe allegations?

Use “suspected” or “reported” until an authorised test or decision confirms the status.

Bottom line

Chucking is a technical legal term, not a casual label for any bent-arm bowler. MCC Law 21 defines the arm requirement, ICC regulations use a 15-degree assessment threshold in international cricket and officials follow a report-test-remodel process. Explain the rule precisely and avoid accusing a player without an official finding.